Donald Trump's busy week: What US president did before testing positive for COVID-19

US President Donald Trump at a campaign rally at Harrisburg International Airport on September 26 in Middletown, Pa. (AP Photo)

President Donald Trump adjusts the microphone after he announced Judge Amy Coney Barrett as his nominee to the Supreme Court, in the Rose Garden at the White House on September 26 in Washington. (AP Photo)

President Donald Trump boards Air Force One to travel to a campaign rally in Middletown, Pa. on September 26 in Andrews Air Force Base, Md. (AP Photo)

President Donald Trump speaks during a campaign rally at Harrisburg International Airport on September 26 in Middletown, Pa. (AP Photo)

Supporters of President Donald Trump cheer as he arrives for a campaign rally at Harrisburg International Airport on September 26 in Middletown, Pa. (AP Photo)

Counselor to the President Hope Hicks cheers as President Donald Trump speaks during a campaign rally at Harrisburg International Airport on September 26 in Middletown, Pa. Special assistant to the President and White House trip director William Russell, center, and director of the White House personnel office John McEntee, watch. (AP Photo)

President Donald Trump pauses as he speaks during a news conference at the White House on September 27 in Washington. (AP Photo)

President Donald Trump arrives with Vice President Mike Pence to speak about coronavirus testing during an event in the Rose Garden of the White House, Monday, Sept. 28, 2020, in Washington. (AP Photo)President Donald Trump speaks about coronavirus testing strategy, in the Rose Garden of the White House on September 28 in Washington. (AP Photo)

President Donald Trump and Democratic presidential candidate former Vice President Joe Biden participate in the first presidential debate on September 29 at Case Western University and Cleveland Clinic, in Cleveland. (AP photos)

President Donald Trump holds out his face mask during the first presidential debate at Case Western University and Cleveland Clinic on September 29 in Cleveland, Ohio. (AP Photo)

President Donald Trump and first lady Melania Trump hold hands on stage after the first presidential debate at Case Western University and Cleveland Clinic on September 29 in Cleveland, Ohio. (AP Photo)

First lady Melania Trump, from left, President Donald Trump, Democratic presidential candidate former Vice President Joe Biden and Jill Biden stand on stage after the first presidential debate at Case Western University and Cleveland Clinic on September 29 in Cleveland, Ohio. (AP Photo)

President Donald Trump walks from the Oval Office before boarding Marine One at the White House on September 30 in Washington, for the short trip to Andrews Air Force Base en route to Minnesota. (AP Photo)

President Donald Trump gestures to supporters as he arrives at Minneapolis Saint Paul International Airport on September 30 in Minneapolis. (AP Photo)

President Donald Trump, center, is seen seated inside Marine One helicopter, not wearing a face mask, as he and members of his staff, including White House director of social media Dan Scavino, left, arrive at the White House on October 1 in Washington. (AP Photo)

President Donald Trump arrives at Morristown Municipal Airport to attend a fundraiser at Trump National Golf Club in Bedminster in Morristown, NJ on October 1 (AP Photo)

President Donald Trump walks from Marine One to the White House in Washington on October 1, as he returns from Bedminster, N.J. (AP Photo)

President Donald Trump walks from Marine One to the White House in Washington, Thursday, October 1, 2020, as he returns from Bedminster, N.J. (AP Photo)